| 0 | NA 89171 | 2025RJLSEUS-04 | Rhododendron catawbiense Michx. | Alabama, United States | NA | | | 2026 | COLLECTED | 09/30/2025 | Scarham Creek: southeast of the Pea Ridge Road bridge, approximately 50-80 meters on the south side of the creek. | 34.32559600, -86.16054600 | 266 | Growing near the base of the slopes above the riparian zone, generally on the exposed geology under very well-drained conditions. The woodlands are primarily deciduous with a few evergreens infrequently mixed. Slope: 15 to 30 percent. Aspect: Northeast. Soil: The primary soil type in the area of this collection is classified as Rockland Series sandstone (Rc). The Rockland series consists of well drained soils formed in loamy colluvium from rotational landslides on slopes of stream valleys and dissections of ground moraines. Saturated hydraulic conductivity is moderate in the upper part of the profile and moderately slow in the lower part. Slopes range from 18 to 70 percent. Some pedons have buried leaves, twigs, and moss. Mass soil movement has left random remnants of soil structure from prior upslope soil development and has buried tree branches, leaves and moss. The upper 0-2 cm of soil contains slightly decomposed organic matter while lower soils layers to a depth of 58 cm are comprised of dark reddish-brown to brown silt loam and are moderately acidic. Below 58 cm the soils are generally dark reddish-brown silt loam and strongly to moderately alkaline. (Source:California Soil Resource Lab/NRCS Official Soil Series Descriptions). Geology: The underlying geology of this area is of Pennsylvanian origin and characterized as Pottsville Formation. It is characterized by light-gray thin to thick-bedded quartzose sandstone and conglomerate containing interbedded dark-gray shale, siltstone, and coal. Mapped on Lookout Mountain, Blount and Chandler Mountains, and Sand Mountain northeast of Blount County, and on the mountains of Jackson, Marshall, and Madison Counties north and west of the TN river. (Source: USGS Alabama Geologic Map Data). | Wild material | Received as R. catawbiense vsr. insularis | 2193305 | NA 89171 |
| 1 | NA 89155 | 2025RJLSEUS-02 | Ilex longipes Chapm. ex Trel. | Alabama, United States | NA | | | 2025 | COLLECTED | 09/30/2025 | Scarham Creek: southeast of the Pea Ridge Road bridge, approximately 50-80 meters on the south side of the creek. | 34.32520700, -86.15967000 | 261 | Plants are growing on relatively steep woodland slopes in shade. The woodlands are primarily deciduous with a few evergreens infrequently mixed. Slope: 15 to 30 percent. Aspect: Northeast. Soil: The primary soil type in the area of this collection is classified as Rockland Series sandstone (Rc). The Rockland series consists of well drained soils formed in loamy colluvium from rotational landslides on slopes of stream valleys and dissections of ground moraines. Saturated hydraulic conductivity is moderate in the upper part of the profile and moderately slow in the lower part. Slopes range from 18 to 70 percent. Some pedons have buried leaves, twigs, and moss. Mass soil movement has left random remnants of soil structure from prior upslope soil development and has buried tree branches, leaves and moss. The upper 0-2 cm of soil contains slightly decomposed organic matter while lower soils layers to a depth of 58 cm are comprised of dark reddish-brown to brown silt loam and are moderately acidic. Below 58 cm the soils are generally dark reddish-brown silt loam and strongly to moderately alkaline. (Source: California Soil Resource Lab/NRCS Official Soil Series Descriptions). Geology: The underlying geology of this area is of Pennsylvanian origin and characterized as Pottsville Formation. It is characterized by light-gray thin to thick-bedded quartzose sandstone and conglomerate containing interbedded dark-gray shale, siltstone, and coal. Mapped on Lookout Mountain, Blount and Chandler Mountains, and Sand Mountain northeast of Blount County, and on the mountains of Jackson, Marshall, and Madison Counties north and west of the TN river. (Source: USGS Alabama Geologic Map Data). | Wild material | | 2193001 | NA 89155 |
| 2 | NA 89156 | 2025RJLSEUS-03 | Euonymus americanus L. | Alabama, United States | NA | | | 2025 | COLLECTED | 09/30/2025 | Scarham Creek: southeast of the Pea Ridge Road bridge, approximately 50-80 meters on the south side of the creek. | 34.32577600, -86.16071000 | 260 | Plants are growing on relatively steep woodland slopes in shade. The woodlands are primarily deciduous with a few evergreens infrequently mixed. Slope: 15 to 30 percent. Aspect: Northeast. Soil: The primary soil type in the area of this collection is classified as Rockland Series sandstone (Rc). The Rockland series consists of well drained soils formed in loamy colluvium from rotational landslides on slopes of stream valleys and dissections of ground moraines. Saturated hydraulic conductivity is moderate in the upper part of the profile and moderately slow in the lower part. Slopes range from 18 to 70 percent. Some pedons have buried leaves, twigs, and moss. Mass soil movement has left random remnants of soil structure from prior upslope soil development and has buried tree branches, leaves and moss. The upper 0-2 cm of soil contains slightly decomposed organic matter while lower soils layers to a depth of 58 cm are comprised of dark reddish-brown to brown silt loam and are moderately acidic. Below 58 cm the soils are generally dark reddish-brown silt loam and strongly to moderately alkaline. (Source: California Soil Resource Lab/NRCS Official Soil Series Descriptions). Geology: The underlying geology of this area is of Pennsylvanian origin and characterized as Pottsville Formation. It is characterized by light-gray thin to thick-bedded quartzose sandstone and conglomerate containing interbedded dark-gray shale, siltstone, and coal. Mapped on Lookout Mountain, Blount and Chandler Mountains, and Sand Mountain northeast of Blount County, and on the mountains of Jackson, Marshall, and Madison Counties north and west of the TN river. (Source: USGS Alabama Geologic Map Data). | Wild material | | 2193002 | NA 89156 |
| 3 | NA 89081 | 2024RJLPA-009 | Rosa carolina L. | Pennsylvania, United States | NA | | | 2024 | COLLECTED | 09/22/2024 | Lancaster and York Counties: outcrops along the Susquehanna River, accessed from the Historic Lock 12 parking lot off of Pennsylvania Road 372. | 39.81483500, -76.32762200 | 34 | Plants are growing from part-sun to full sun in crevices of the outcrops and where organic debris has accumulated in between boulders along the Susquehanna River. The sites range from nearly xeric to dry mesic, at least on the surface. Plants are generally growing 4-10 m above the normal flow of the river; however, the Holtwood Dam is less than 1 kilometer upstream and debris found trapped in the boulders indicates that there is periodic flooding, at least, in the lower zone of 4+ meters or so above normal river flow. This habitat has a diverse assemblage of deciduous trees and shrubs as well as abundant herbaceous taxa. Slope: 0 to 60 percent. Aspect: Northeast (generally). Geology: The underlying geology of this area is probably of lower Paleozoic age and characterized as the Octoraro Formation. It includes albite-chlorite schist, phyllite, some hornblende gneiss, and granitized members. Soils: The area where this species occurs is right on the edge of two soil zones that transition from the river’s edge to mesic conditions upslope. The first is generally referred to as Rock Outcrop. This terrestrial matrix in which plants grow is largely exposed underlying rock geology with accumulated outwash, rock decomposition, and organic debris buildup. The second is Mt. Airy (80%) and Manor (20%) Series soils, 25 to 60 percent slopes, extremely stony (MRF). (Source: California Soil Resource Lab/NRCS Official Soil Series Descriptions). EPA Ecoregion (Level III): Northern Piedmont (64). EPA Ecoregion (Level IV): Piedmont Uplands (64c). | Wild material | | 2169045 | NA 89081 |
| 4 | NA 89082 | 2024RJLPA-010 | Amorpha fruticosa L. | Pennsylvania, United States | NA | | | 2024 | COLLECTED | 09/22/2024 | Outcrops along the Susquehanna River, accessed from the Historic Lock 12 parking lot off of Pennsylvania Road 372. | 39.81481500, -76.32757900 | 34 | Plants are growing from part-sun to full sun in crevices of the outcrops and where organic debris has accumulated in between boulders along the Susquehanna River. The sites range from nearly xeric to dry mesic, at least on the surface. Plants are generally growing 4-10 m above the normal flow of the river; however, the Holtwood Dam is less than 1 kilometer upstream and debris found trapped in the boulders indicates that there is periodic flooding, at least, in the lower zone of 4+ meters or so above normal river flow. This habitat has a diverse assemblage of deciduous trees and shrubs as well as abundant herbaceous taxa. Slope: 0 to 25 percent. Aspect: Northeast (generally). Geology: The underlying geology of this area is probably of lower Paleozoic age and characterized as the Octoraro Formation. It includes albite-chlorite schist, phyllite, some hornblende gneiss, and granitized members. Soils: The area where this species occurs is right on the edge of two soil zones that transition from the river’s edge to mesic conditions upslope. The first is generally referred to as Rock Outcrop. This terrestrial matrix in which plants grow is largely exposed underlying rock geology with accumulated outwash, rock decomposition, and organic debris buildup. The second is Mt. Airy (80%) and Manor (20%) Series soils, 25 to 60 percent slopes, extremely stony (MRF). (Source: California Soil Resource Lab/NRCS Official Soil Series Descriptions). EPA Ecoregion (Level III): Northern Piedmont (64). EPA Ecoregion (Level IV): Piedmont Uplands (64c). | Wild material | | 2169046 | NA 89082 |
| 5 | NA 89083 | 2024RJLPA-012 | Rhododendron periclymenoides (Michx.) Shinners | Pennsylvania, United States | NA | | | 2024 | COLLECTED | 09/22/2024 | Outcrops along the Susquehanna River, accessed from the Historic Lock 12 parking lot off of Pennsylvania Road 372. | 39.81477400, -76.32807300 | 35 | Plants are growing from shade to part-sun and occasionally full sun in crevices of the outcrops and where organic debris has accumulated in between boulders along the Susquehanna River. The sites range from nearly xeric to mesic, at least on the surface. Plants are generally growing 4-10 m above the normal flow of the river; however, the Holtwood Dam is less than 1 kilometer upstream and debris found trapped in the boulders indicates that there is periodic flooding, at least, in the lower zone of 4+ meters or so above normal river flow. This habitat has a diverse assemblage of deciduous trees and shrubs as well as abundant herbaceous taxa. Slope: 0 to 60 percent. Aspect: Northeast (generally). Geology: The underlying geology of this area is probably of lower Paleozoic age and characterized as the Octoraro Formation. It includes albite-chlorite schist, phyllite, some hornblende gneiss, and granitized members. Soils: The area where this species occurs is right on the edge of two soil zones that transition from the river’s edge to mesic conditions upslope. The first is generally referred to as Rock Outcrop. This terrestrial matrix in which plants grow is largely exposed underlying rock geology with accumulated outwash, rock decomposition, and organic debris buildup. The second is Mt. Airy (80%) and Manor (20%) Series soils, 25 to 60 percent slopes, extremely stony (MRF). (Source: California Soil Resource Lab/NRCS Official Soil Series Descriptions). EPA Ecoregion (Level III): Northern Piedmont (64). EPA Ecoregion (Level IV): Piedmont Uplands (64c). | Wild material | | 2169047 | NA 89083 |
| 6 | NA 89084 | 2024RJLPA-013 | Physocarpus opulifolius (L.) Maxim. | Pennsylvania, United States | NA | | | 2024 | COLLECTED | 09/22/2024 | Outcrops along the Susquehanna River, accessed from the Historic Lock 12 parking lot off of Pennsylvania Road 372. | 39.81466300, -76.32833900 | 36 | Plants are growing from shade to part-sun where organic debris has accumulated in between boulders as well as further upslope in deeper mesic soils along the Susquehanna River. This habitat has a diverse assemblage of deciduous trees and shrubs as well as abundant herbaceous taxa. Slope: 10 to 25 percent. Aspect: Northeast (generally). Geology: The underlying geology of this area is probably of lower Paleozoic age and characterized as the Octoraro Formation. It includes albite-chlorite schist, phyllite, some hornblende gneiss, and granitized members. Soils: The area where this species occurs is right on the edge of two soil zones that transition from the river’s edge to mesic conditions upslope. The first is generally referred to as Rock Outcrop. This terrestrial matrix in which plants grow is largely exposed underlying rock geology with accumulated outwash, rock decomposition, and organic debris buildup. The second is Mt. Airy (80%) and Manor (20%) Series soils, 25 to 60 percent slopes, extremely stony (MRF). (Source: California Soil Resource Lab/NRCS Official Soil Series Descriptions). EPA Ecoregion (Level III): Northern Piedmont (64). EPA Ecoregion (Level IV): Piedmont Uplands (64c). | Wild material | | 2169048 | NA 89084 |
| 7 | NA 89085 | 2024RJLPA-014 | Rhododendron arborescens (Pursh) Torr. | Pennsylvania, United States | NA | | | 2024 | COLLECTED | 09/22/2024 | Outcrops along the Susquehanna River, accessed from the Historic Lock 12 parking lot off of Pennsylvania Road 372. | 39.81618100, -76.33069800 | 38 | Plants are growing from shade to part-sun and occasionally full sun in crevices of the outcrops and where organic debris has accumulated in between boulders along the Susquehanna River. The sites range from nearly xeric to mesic, at least on the surface. Plants are generally growing 4-10 m above the normal flow of the river; however, the Holtwood Dam is less than 1 kilometer upstream and debris found trapped in the boulders indicates that there is periodic flooding, at least, in the lower zone of 4+ meters or so above normal river flow. This habitat has a diverse assemblage of deciduous trees and shrubs as well as abundant herbaceous taxa. Slope: 0 to 75 percent. Aspect: Northeast (generally). Geology: The underlying geology of this area is probably of lower Paleozoic age and characterized as the Octoraro Formation. It includes albite-chlorite schist, phyllite, some hornblende gneiss, and granitized members. Soils: The area where this species occurs is right on the edge of two soil zones that transition from the river’s edge to mesic conditions upslope. The first is generally referred to as Rock Outcrop. This terrestrial matrix in which plants grow is largely exposed underlying rock geology with accumulated outwash, rock decomposition, and organic debris buildup. The second is Mt. Airy (80%) and Manor (20%) Series soils, 25 to 60 percent slopes, extremely stony (MRF). (Source: California Soil Resource Lab/NRCS Official Soil Series Descriptions). EPA Ecoregion (Level III): Northern Piedmont (64). EPA Ecoregion (Level IV): Piedmont Uplands (64c). | Wild material | | 2169049 | NA 89085 |
| 8 | NA 89086 | 2024RJLPA-015 | Ilex verticillata (L.) A. Gray | Pennsylvania, United States | NA | | | 2024 | COLLECTED | 09/22/2024 | Outcrops along the Susquehanna River, accessed from the Historic Lock 12 parking lot off of Pennsylvania Road 372. | 39.81656600, -76.33136600 | 38 | Plants are growing from part-sun to full sun in crevices of the outcrops and where organic debris has accumulated in between boulders along the Susquehanna River. The sites range from nearly xeric to dry mesic, at least on the surface. Plants are generally growing 4-10 m above the normal flow of the river; however, the Holtwood Dam is less than 1 kilometer upstream and debris found trapped in the boulders indicates that there is periodic flooding, at least, in the lower zone of 4+ meters or so above normal river flow. This habitat has a diverse assemblage of deciduous trees and shrubs as well as abundant herbaceous taxa. Slope: 0 to 10 percent. Aspect: Northeast (generally). Geology: The underlying geology of this area is probably of lower Paleozoic age and characterized as the Octoraro Formation. It includes albite-chlorite schist, phyllite, some hornblende gneiss, and granitized members. Soils: The area where this species occurs is right on the edge of two soil zones that transition from the river’s edge to mesic conditions upslope. The first is generally referred to as Rock Outcrop. This terrestrial matrix in which plants grow is largely exposed underlying rock geology with accumulated outwash, rock decomposition, and organic debris buildup. The second is Mt. Airy (80%) and Manor (20%) Series soils, 25 to 60 percent slopes, extremely stony (MRF). (Source: California Soil Resource Lab/NRCS Official Soil Series Descriptions). EPA Ecoregion (Level III): Northern Piedmont (64). EPA Ecoregion (Level IV): Piedmont Uplands (64c). | Wild material | | 2169050 | NA 89086 |
| 9 | NA 89087 | 2024RJLPA-016 | Hydrangea arborescens L. | Pennsylvania, United States | NA | | | 2024 | COLLECTED | 09/22/2024 | Outcrops along the Susquehanna River, accessed from the Historic Lock 12 parking lot off of Pennsylvania Road 372. | 39.81489000, -76.32912200 | 43 | Plants are growing in deep shade of the deciduous woodlands on outcrops and the steep slopes where organic debris and detritus has accumulated. This habitat has a diverse assemblage of deciduous trees and shrubs as well as abundant herbaceous taxa. Slope: 30 to 90 percent. Aspect: Northeast (generally). Geology: The underlying geology of this area is probably of lower Paleozoic age and characterized as the Octoraro Formation. It includes albite-chlorite schist, phyllite, some hornblende gneiss, and granitized members. (Source: Source: USGS Pennsylvania Geologic Map Data). Soils: The area where this species occurs is right on the edge of two soil zones that transition from the river’s edge to mesic conditions upslope. The first is generally referred to as Rock Outcrop. This terrestrial matrix in which plants grow is largely exposed underlying rock geology with accumulated outwash, rock decomposition, and organic debris buildup. The second is Mt. Airy (80%) and Manor (20%) Series soils, 25 to 60 percent slopes, extremely stony (MRF). (Source: California Soil Resource Lab/NRCS Official Soil Series Descriptions). EPA Ecoregion (Level III): Northern Piedmont (64). EPA Ecoregion (Level IV): Piedmont Uplands (64c). | Wild material | | 2169051 | NA 89087 |
| 10 | NA 88665 | RJL2023PA-002 | Ilex verticillata (L.) A. Gray | Pennsylvania, United States | NA | | | 2023 | COLLECTED | 10/01/2023 | Woodlands along Pine Creek near the Harmonyville Road bridge. | 40.18764500, -75.76732200 | 141 | Moist to mucky, wet woodland conditions along Pine Creek. Much of the site is very wet due to recent rains; though, earlier in the year, the soils were only moist. Plants grow in both well-drained mesic conditions as well as seasonally wet conditions. They do not grow in standing water anywhere in this location. Plants in this population are found mostly in the shade and partial shade of deciduous trees; there are occasional gaps that offer higher light conditions as well. Slope: 0-2%. Aspect: N/A. The underlying geology of this area is of Precambrian origin and characterized as the Graphitic Felsic Gneiss. This includes Pickering Gneiss and small areas of marble; dominantly quartz and feldspar with varying amounts of graphite and various metamorphic minerals; medium grained, light to dark gray and greenish gray; sedimentary origin. (Source: USGS Pennsylvania Geologic Map Data). The primary soil type in the area of this collection is classified as Hatboro Silt Loam Series. The Hatboro Series consists of very deep and poorly drained soils formed in alluvium derived from metamorphic and crystalline rock. They are on flood plains. Slopes range from 0 to 3 percent. Saturated hydraulic conductivity is moderately high to high. Solum thickness ranges from 50 to 150 cm. Depth to bedrock ranges from 1.5 to 3 meters or more. Organic carbon decreases irregularly with depth or is greater than 0.2 percent directly above any strongly contrasting C horizon. The depth to strongly contrasting sand and gravel is more than 100 cm or the transition is greater than 12.5 cm. Content of gravel ranges from 0 to 10 percent in the solum and from 0 to 80 percent in the C horizon. Mica flakes are common in the solum, and the C horizon contains thin lenses of mica. Reaction ranges from very strongly acid through neutral to a depth of 75 cm and from moderately acid through slightly acid below 75 cm. (Source: NRCS Web Soil Survey.) | Wild material | | 2158814 | NA 88665 |
| 11 | NA 88664 | RJL2023PA-001 | Viburnum acerifolium L. | Pennsylvania, United States | NA | | | 2023 | COLLECTED | 10/01/2023 | Seed collected from plants growing along a two-mile stretch of Harmonyville Road on the woodland edge next to the road. [Note: latitude and longitude were collected at the location of the largest seed collection.] | 40.18482200, -75.78145100 | 158 | Plants were growing in well-drained and rocky mesic-dry woodlands from part shade along the road edge to full shade in the understory of the woodlands. Slope: 2-10%. Aspect: Variable. The underlying geology of this area is of Triassic origin and characterized as the Stockton Formation. It is characterized by light-gray to buff, coarse-grained, arkosic sandstone; includes reddish-brown to grayish-purple sandstone, siltstone, and mudstone. (Source: USGS Pennsylvania Geologic Map Data.) The primary soil type in the area of this collection is classified as Edgemont Channery Sandy Loam Series (8 to 25 percent slopes), extremely stony. The Edgemont Series consists of deep and very deep, well drained soils formed in the weathered residuum of quartzitic rocks. They have moderately high to high saturated hydraulic conductivity. Slopes range from 0 to 70 percent. Solum thickness ranges from 50 to 10 cm. Depth to bedrock ranges from about 1.5 to 2.2 meters. Kaolinite is the dominant mineral in the clay fraction with detectable amounts of illite, vermiculite, montmorillonite, chlorite and interstratified clays. Gravel, channers, and stone size fragments of quartzite and quartz are present throughout the profile. Rock fragments range from 5 to 40 percent in the horizons of the solum and from 10 to 90 percent in the C horizon. Reaction ranges from extremely acid to strongly acid throughout. (Source: NRCS Web Soil Survey.) | Wild material | | 2158813 | NA 88664 |