Harold Lloyd Lyon

Astragalus nevinii is a rare species of milkvetch known by the common name San Clemente Island milkvetch. It is endemic to San Clemente Island, one of the Channel Islands of California. This is perennial herb growing upright 10 to 30 centimetres (4 to 12 in) tall. It is coated in woolly, tangled hairs. Its leaves are up to 8 centimetres (3+1⁄6 in) long and are made up of many oblong leaflets. The inflorescence is a dense cluster of up to 30 cream-colored flowers, each around 1 centimetre (5⁄12 in) in length. The fruit is a hanging legume pod up to 2 centimetres (3⁄4 in) long which is papery

Sceptridium is a genus of seedless vascular plants in the family Ophioglossaceae, closely allied to (and often included as a subgenus of) the genus Botrychium (the moonworts and grapeferns). It is also closely related to the genus Botrypus (the rattlesnake fern, often treated as the subgenus Osmundopteris under Botrychium). Sceptridium species are commonly called the grape-ferns. These plants are small with fleshy roots, and reproduce by spores shed into the air. They differ from the moonworts in having at least some sterile fronds (all fronds in Botrychium are spore-bearing), and in the

Senecio lyonii is an uncommon species of flowering plant in the aster family known by the common name island senecio. This island endemic is known only from Guadalupe Island off the coast of Baja California and two of the Channel Islands of California, Catalina and San Clemente Islands. It grows in the coastal sage scrub and chaparral of the islands' hills and canyons. It is a shrub or subshrub growing from a woody taproot and reaching top heights well over one meter. The leaves have blades up to 12 centimeters long which are divided deeply into many narrow lobes. The inflorescence is made up

Sceptridium jenmanii, the Alabama grapefern or Dixie grapefern, is a species of fern in the Ophioglossaceae native to the southeastern United States. It is a rare species, and is apparently in decline. Like other grape ferns, it depends on a mycorrhizal association in the soil to survive.

Sceptridium dissectum is a common fern (or fern-ally) in the family Ophioglossaceae, occurring in eastern North America. Like other plants in this group, it normally only sends up one frond per year. It has long been the subject of confusion because the frond presents in one of two forms, either the normal form (forma obliquum) that resembles other plants in the genus, or the skeletonized form (forma dissectum). This is the most common grape fern throughout most of its range. It is a frequent denizen of disturbed lands, often growing with Diphasiastrum digitatum and Asplenium platyneuron. It

Sceptridium biternatum, the southern grapefern or sparse-lobe grape fern, is a perennial fern in the family Ophioglossaceae, occurring in eastern North America. It occurs in "low woods, in hardwood and pine forests, in fields, and on roadsides." Like other grape ferns, it depends on a mycorrhizal association in the soil to survive. In the fall its leaves and stem turn a reddish-brown / bronze color; a local name for it is “red fern”.

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